I don't know if what I have would constitute as 'first aid' or what, but chicken things I have include
Epsom Salts
Patroleum Jelly
NutriDrench
Corid
Natural wormer
Wazine
Lotion coverup
Durvet oregano supplement
Blu Kote
Vet Wrap
Vetricyn
Guaze
Medical tape
Triple antibiotic oitment
Many knives...